What song is kim Ji Soo witch singing?

According to Baidu's query, "Flower" was sung by kim Ji Soo Siren, and "Flower" was a song sung by Ayumi Hamasaki, written by Ayumi Hamasaki and composed by TetsuyaYukumi, and included in the album "M (a) Dein" released by Ayumi Hamasaki on June 29th, 20th/Kloc-6th.